Audio mixer



FIG. 1 is a perspective view of the top, front and right side of anaudio mixer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines immediately adjacent the shaded areas represent thebounds of the claimed design while all other broken lines are directedto environment and are for illustrative purposes only; the broken linesform no part of the claimed design.

The ornamental design for an audio mixer, as shown and described.